std::float16_t f = 58.f16;
std::float16_t f = 0x1p5F16;
std::float32_t f = 4e2f32;
std::float32_t f = 1.18e-4932lF32;
std::float64_t f = 123.456e-67f64;
std::float64_t f = 0.1F64;
std::float128_t f = .1E4f128;
std::float128_t f = .1F128;
std::bfloat16_t f = 3.14'15'92bf16;
std::bfloat16_t f = -10.0BF16;
